Final answer:
James Russell Lowell was the U.S. Ambassador to Spain and subsequently the U.S. Ambassador to the United Kingdom in the late 19th century. Beyond his diplomatic service, Lowell was a noted intellectual, poet, critic, and educator, contributing significantly to the cultural and political life of the United States in the 19th century.
Step-by-step explanation:
James Russell Lowell was an American ambassador to two countries during his diplomatic career. He served as the U.S. Ambassador to Spain from 1877 to 1880 and then as the U.S. Ambassador to the United Kingdom from 1880 to 1885. Beyond his diplomatic service, Lowell was a noted intellectual, poet, critic, and educator, contributing significantly to the cultural and political life of the United States in the 19th century.